mitt romney is trying to calm supporters' worry that he's a weak front-runner. abc's jake tapper with the exclusive from washington. >> reporter: good morning, george. no matter how many delegates romney racks up or how many times his campaign suggests that his opponents can't mathematically become the nom no inee, they don't seem to be going anywhere. >> everybody in the republican establishment wants romney. they want even else to go home. that's now how this is done. >> reporter: mitt romney's third place finish in. bm didn't help. >> if i'm a weak front-runner, what does that make newt gingrich? >> reporter: um, happy. >> and last night, i got more delegates than anybody else. >> reporter: the obama campaign e-mailed supporters hoping to raise money, quote, if the general election were held today, president obama would lose to mitt romney, according to the latest poll from washington post/abc news. they're hoping this campaign movie that they're unveiling tonight will help. >> i want you to think about the millions of people all across the country looking fo